ChoroplethColorizer Class

Represents the Choropleth-like colorizer.

Assembly: DevExpress.UI.Xaml.Map.v21.2.dll

NuGet Package: DevExpress.Uwp.Controls

Declaration

C#
VB.NET

public class ChoroplethColorizer :
    MapColorizer,
    ISupportColorLegend

Public Class ChoroplethColorizer
    Inherits MapColorizer
    Implements ISupportColorLegend

Example

To create a analytical map, it is necessary to use the ChoroplethColorizer class. Perform the following steps to create the map.

Provide a required vector map to map control. (To learn how to do this, refer to Providing Data).
Create an ChoroplethColorizer object and assign it to the MapControl.Colorizer property.
Specify the MapColorizer.Colors collection of the colorizer.
Specify the ChoroplethColorizer.RangeStops collection of the colorizer.
Specify the ChoroplethColorizer.ValueProvider property of the colorizer.

XAML

<Map:MapControl.Colorizer>
    <Map:ChoroplethColorizer 
        RangeStops="0 3000 10000 18000 28000 44000 82000 185000 1000000 2500000 15000000">
        <Map:ChoroplethColorizer.ValueProvider>
            <Map:ShapeAttributeValueProvider AttributeName="GDP_MD_EST"/>
        </Map:ChoroplethColorizer.ValueProvider>
        <Map:ChoroplethColorizer.Colors>
            <Color>#FFFF5A19</Color>
            <Color>#FFE5E335</Color>
            <Color>#FF6EC95C</Color>
        </Map:ChoroplethColorizer.Colors>
        <Map:ChoroplethColorizer.Legend>
            <Map:ColorScaleLegend Margin="0" Header="GDP by Countries" Description="In US dollars"
                                  RangeStopsFormat="0,B" MinWidth="400" FontSize="10"/>
        </Map:ChoroplethColorizer.Legend>
    </Map:ChoroplethColorizer>
</Map:MapControl.Colorizer>